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valina [46]
3 years ago
5

Round 0.641 to the nearest hundredth. ​

Mathematics
1 answer:
mixas84 [53]3 years ago
4 0

Answer:

0.64

Step-by-step explanation:

Find the number in the hundredth place  4  and look one place to the right for the rounding digit  1 . Round up if this number is greater than or equal to  5  and round down if it is less than  5 .

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What scale factor was used when going from the grey triangle to the yellow triangle
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Scale factor of 1/3

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109. 85 the mixed number 109 85/100
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Rewrite 16 in exponent form using 2 as the base.
VashaNatasha [74]

Answer:

16=24

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3 years ago
Vector u has a magnitude of 5sq rt 3 feet and is directed due west. Vector v has a magnitude
Vikki [24]

The magnitude and the direction angle for  the resultant vector are 10N and 120degrees respectively

The formula for calculating the resultant vector is expressed as:

R^2 = u^2 + v^2\\R =\sqrt{u^2+v^2}

Given the following distances:

u = -5√3 feet (west direction)

v = 5 feet

Substitute the given values into the formula above;

R=\sqrt{(5\sqrt{3} )^2+5^2} \\R=\sqrt{(25 \times 3)+25}\\R=\sqrt{75 + 25}\\R=\sqrt{100}\\R = 10 feet

The magnitude of the resultant vector is 10feet

Get the direction:

\theta = tan^{-1}\frac{y}{x} \\\theta = tan^{-1}\frac{5}{-5\sqrt{3} }\\\theta =tan^{-1}\frac{-1}{\sqrt{3} }\\\theta = -60^0

Since tan is negative in the second quadrant, hence;

\theta = 180 - 60\\\theta = 120^0

Hence the magnitude and the direction angle for  the resultant vector are 10N and 120degrees respectively.

Learn more here: brainly.com/question/5177683

7 0
3 years ago
Turn these phrases into algebraic expressions. (PLEASE HELP)
RideAnS [48]

Answer:

2x + 5

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5x - 2

2 - 7x

2 + 5x

Step-by-step explanation:

you can replace x with whatever variable you want :)

3 0
3 years ago
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